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With xe_force_wake_get() now returning the refcount-incremented domain
mask, a return value of 0 indicates failure for single domains.
Change assert condition to incorporate this change in return and
pass the return value to xe_force_wake_put()
v3
- return xe_wakeref_t instead of int in xe_force_wake_get()
v5
- return unsigned int for xe_force_wake_get()
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241014075601.2324382-13-himal.prasad.ghimiray@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Stop using GT pointers for register access.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240910234719.3335472-71-matthew.d.roper@intel.com
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There is no point to run those tests on VFs devices as they can't
access any of the MOCS registers. Skip testing on the VF device.
[ ] =================== xe_mocs (1 subtest) ====================
[ ] ================ xe_live_mocs_kernel_kunit ================
[ ] [PASSED] 0000:4d:00.0
[ ] [SKIPPED] 0000:4d:00.1
[ ] ============ [PASSED] xe_live_mocs_kernel_kunit ============
[ ] ===================== [PASSED] xe_mocs =====================
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240720142528.530-8-michal.wajdeczko@intel.com
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Convert xe_mocs live tests to parameterized style.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240720142528.530-7-michal.wajdeczko@intel.com
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The test case logic is implemented by the functions compiled as
part of the core Xe driver module and then exported to build and
register the test suite in the live test module.
But we don't need to export individual test case functions, we may
just export the entire test suite. And we don't need to register
this test suite in a separate file, it can be done in the main
file of the live test module.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240708111210.1154-5-michal.wajdeczko@intel.com
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We shouldn't use custom helper if there is a official one.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240705191057.1110-2-michal.wajdeczko@intel.com
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It's not very obvious what the difference is between the 'size' and
'n_entries' fields of the MOCS structure. Rename both fields slightly
and add some comments explaining that one is the documentation-defined
table size, while the other is the number of entries that can be
programmed into the hardware (and the documented table size can
potentially be smaller than the number of hardware entries).
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240627203741.2042752-4-matthew.d.roper@intel.com
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Switch the MOCS-related debug messages to use a GT-specific logging
function and add ID/type output to the beginning of the MOCS kunit test
to assist with debug when problems arise.
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240314195825.3226856-4-matthew.d.roper@intel.com
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Although MOCS registers became multicast in graphics version 12.50 on
the primary GT, this transition did not happen until version 20 on the
media GT. Considering each GT independently is mostly important for
MTL/ARL where the Xe_LPM+ IP has non-MCR MOCS registers, even though
Xe_LPG IP has MCR registers.
Bspec: 67789, 71186
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240314195825.3226856-3-matthew.d.roper@intel.com
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Refactor the mocs/l3cc kunit test to support odd number of entries. This
switches out from the "check the register value" approach to check the
entry value if it makes sense from the register read. This provides an
easier output to reason about and cross check with bspec.
Some code reordering and variable re-use was also done so the 2
functions follow more or less the same logic.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228061048.3661978-5-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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The warn-once in __init_mocs_table() to make sure there's an index set
for unused entries is more a sanity check that should be done as the
first thing in that function. The kunit test replicates the same check,
so also move it up and turn it into a failure condition for the test.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228061048.3661978-4-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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There's no reason to keep the assignment an condition in the same
statement, particularly making use of the comma operator. Improve
readability by doing each step on its own statement. This will make
supporting odd number of entries more easily.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228061048.3661978-2-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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Let's convert the kunit tests that are currently relying on
xe_device_mem_access_{get,put} towards the direct xe_pm_runtime_{get,put}.
While doing this we need to move the get/put calls towards the outer
bounds of the tests to ensure consistency with the other usages of
pm_runtime on the regular paths.
v2: include xe_pm.h in tests/xe_mocs.c and sort the include block
while at it.
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240222163937.138342-4-rodrigo.vivi@intel.com
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This kunit verifies the mocs registers content
with the KMD programmed values before and after
GT reset.
v2: Remove extra blank lines between the local variables
definitions (Matt Roper)
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ruthuvikas Ravikumar <ruthuvikas.ravikumar@intel.com>
Signed-off-by: Janga Rahul Kumar <janga.rahul.kumar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231222192352.927101-1-janga.rahul.kumar@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
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This kunit verifies the hardware values of mocs and
l3cc registers with the KMD programmed values.
v14: Fix CHECK.
v13: Remove ret after forcewake.
v11: Add KUNIT_ASSERT_EQ_MSG for Forcewake.
v9/v10: Add Forcewake Fail.
v8: Remove xe_bo.h and xe_pm.h
Remove mocs and l3cc from live_mocs.
Pull debug and err msg for mocs/l3cc out of if else block.
Add HAS_LNCF_MOCS.
v7: correct checkpath
v6: Change ssize_t type.
Change forcewake domain to XE_FW_GT.
Update change of MOCS registers are multicast on Xe_HP and beyond
patch.
v5: Release forcewake.
Remove single statement braces.
Fix debug statements.
v4: Drop stratch and vaddr.
Fix debug statements.
Fix indentation.
v3: Fix checkpath.
v2: Fix checkpath.
Cc: Aravind Iddamsetty <aravind.iddamsetty@intel.com>
Cc: Mathew D Roper <matthew.d.roper@intel.com>
Reviewed-by: Mathew D Roper <matthew.d.roper@intel.com>
Signed-off-by: Ruthuvikas Ravikumar <ruthuvikas.ravikumar@intel.com>
Link: https://lore.kernel.org/r/20231116215152.2248859-1-ruthuvikas.ravikumar@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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